Permissions, Privileges, and Access Controls in Red Hat OpenShift Container Platform - CVE-2023-5408
Published: October 31, 2023
Vulnerability identifier: #VU82607
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-5408
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improperly imposed security restrictions in the node restriction admission plugin of the kubernetes api server of OpenShift. A local user can modify the node role label and steer workloads from the control plane and etcd nodes onto different worker nodes and gain broader access to the cluster.
Affected software
Red Hat OpenShift Container Platform
IBM Fusion HCI
Cloud Pak for Data
IBM Fusion HCI
Cloud Pak for Data
How to mitigate CVE-2023-5408
Install updates from vendor's website.
Red Hat OpenShift Container Platform - addressed in versions 4.13.19, 4.11.54, 4.12.43
IBM Fusion HCI - update to 2.8.0
Cloud Pak for Data - update to 4.8.5
IBM Fusion HCI - update to 2.8.0
Cloud Pak for Data - update to 4.8.5
External References
Related Security Bulletins
- Multiple vulnerabilities in OpenShift Container Platform 4.13
- Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.12
- Multiple vulnerabilities in Red Hat OpenShift Container Platform 4.11
- Permissions, privileges, and access controls in IBM Storage Fusion HCI
- Multiple vulnerabilities in IBM Cloud Pak for Data